<div class="container">
    <div class="panel panel-danger">
        <div class="panel-body text-center" style="height: 400px;">
            <p class="text-danger" style="line-height: 400px;">非常抱歉, 操作发生了错误, 请稍后再试。</p>
        </div>
    </div>
</div>